Adjustable shelf



FIG. 1 is a perspective top front view of the adjustable shelf of the present invention in expanded form;

FIG. 2 is a perspective bottom back view of the adjustable shelf in expanded form thereof;

FIG. 3 is a front side view of the adjustable shelf in expanded form;

FIG. 4 is a back side view of the adjustable shelf in expanded form;

FIG. 5 is a left side view of the adjustable shelf in expanded form;

FIG. 6 is a right side view of the adjustable shelf in expanded form;

FIG. 7 is a top side view of the adjustable shelf in expanded form;

FIG. 8 is a bottom side view of the adjustable shelf in expanded form;

FIG. 9 is a right side view of the adjustable shelf in expanded form showing the location of the detailed view of the adjustable leg of FIG. 10 ;

FIG. 10 is a detailed view of the adjustable shelf shown in FIG. 9 ;

FIG. 11 is a perspective top back view of the adjustable shelf in collapsed form;

FIG. 12 is a perspective bottom front view in expanded form;

FIG. 13 is a front side view of the adjustable shelf in collapsed form;

FIG. 14 is a back side view of the adjustable shelf in collapsed form;

FIG. 15 is a left side view of the adjustable shelf in collapsed form;

FIG. 16 is a right side view of the adjustable shelf in collapsed form;

FIG. 17 is a top side view of the adjustable shelf in collapsed form;

FIG. 18 is a bottom side view of the adjustable shelf in collapsed form;

FIG. 19 is a right side view of the adjustable shelf in collapsed form showing the location of the detailed view of the adjustable leg of FIG. 20 ; and,

FIG. 20 is a detailed view of the adjustable shelf shown in FIG. 19 .

The broken lines illustrate portions of the adjustable shelf that form no part of the claimed design. 

CLAIM The ornamental design for the adjustable shelf, as shown and described. 